Hourly Weather Forecast - Grantsburg, IL

12 AM
31°F
0%
3mph
NW
Mostly Cloudy
Humidity
77%
Feels like
28°F
Dew Point
25°F
1 AM
30°F
0%
3mph
NW
Mostly Cloudy
Humidity
78%
Feels like
30°F
Dew Point
24°F
2 AM
30°F
0%
3mph
NW
Mostly Cloudy
Humidity
80%
Feels like
30°F
Dew Point
24°F
3 AM
29°F
0%
3mph
NW
Mostly Cloudy
Humidity
81%
Feels like
29°F
Dew Point
24°F
4 AM
29°F
0%
3mph
NW
Mostly Cloudy
Humidity
83%
Feels like
29°F
Dew Point
24°F
5 AM
28°F
0%
3mph
NW
Partly Cloudy
Humidity
85%
Feels like
28°F
Dew Point
24°F
6 AM
28°F
0%
2mph
NW
Partly Cloudy
Humidity
84%
Feels like
28°F
Dew Point
24°F
6:59 AM
7 AM
29°F
0%
2mph
NW
Partly Cloudy
Humidity
80%
Feels like
29°F
Dew Point
24°F
8 AM
30°F
0%
2mph
WNW
Partly Cloudy
Humidity
78%
Feels like
30°F
Dew Point
24°F
9 AM
31°F
0%
3mph
WNW
Partly Cloudy
Humidity
75%
Feels like
31°F
Dew Point
24°F
10 AM
33°F
0%
3mph
W
Partly Cloudy
Humidity
71%
Feels like
30°F
Dew Point
24°F
11 AM
35°F
0%
4mph
WSW
Mostly Cloudy
Humidity
64%
Feels like
31°F
Dew Point
24°F
12 PM
36°F
0%
4mph
WSW
Mostly Cloudy
Humidity
59%
Feels like
33°F
Dew Point
23°F
1 PM
38°F
0%
4mph
SW
Mostly Cloudy
Humidity
56%
Feels like
34°F
Dew Point
24°F
2 PM
38°F
0%
5mph
SW
Cloudy
Humidity
55%
Feels like
35°F
Dew Point
24°F
3 PM
39°F
0%
5mph
SSW
Cloudy
Humidity
54%
Feels like
35°F
Dew Point
24°F
4 PM
38°F
0%
4mph
SSW
Cloudy
Humidity
57%
Feels like
35°F
Dew Point
24°F
4:37 PM
5 PM
37°F
0%
4mph
S
Cloudy
Humidity
60%
Feels like
34°F
Dew Point
24°F
6 PM
36°F
0%
4mph
SSE
Mostly Cloudy
Humidity
65%
Feels like
33°F
Dew Point
26°F
7 PM
35°F
0%
4mph
SSE
Cloudy
Humidity
69%
Feels like
32°F
Dew Point
26°F
8 PM
35°F
0%
4mph
SSE
Cloudy
Humidity
71%
Feels like
31°F
Dew Point
27°F
9 PM
35°F
0%
4mph
SSE
Cloudy
Humidity
73%
Feels like
31°F
Dew Point
27°F
10 PM
35°F
0%
5mph
S
Mostly Cloudy
Humidity
75%
Feels like
31°F
Dew Point
28°F
11 PM
36°F
0%
5mph
S
Mostly Cloudy
Humidity
77%
Feels like
31°F
Dew Point
29°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide